Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The average high-temperature in September, at a still comfortable 19.1°C (66.4°F), reveals a modest deviation from August's 19.7°C (67.5°F). Bumbogo's average low-temperature is measured at a cool 12.3°C (54.1°F) during September.Humidity
In Bumbogo, the average relative humidity in September is 80%.Rainfall
In Bumbogo, Rwanda, during September, the rain falls for 27.9 days and regularly aggregates up to 249mm (9.8") of precipitation. Throughout the year, there are 330.4 rainfall days, and 2538mm (99.92") of precipitation is accumulated.Daylight
In Bumbogo, the average length of the day in September is 12h and 6min.On the first day of the month, sunrise is at 05:56 and sunset at 18:01. On the last day of September, sunrise is at 05:45 and sunset at 17:53 CAT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The months with the lowest UV index are January through July, September through December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What are the months with the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
Bumbogo, Rwanda
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is February (20.2°C).
The months with the lowest average high temperature are May and June (17.9°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is September (12.3°C).
The coldest months (with the lowest average low temperature) are January, June and December (10.8°C).
Average pressure in September
Bumbogo, Rwanda
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed in September
Bumbogo, Rwanda
- Average wind speed in September: 5.4km/h
The windiest month (with the highest average wind speed) is July (6.6km/h).
The calmest month (with the lowest average wind speed) is November (4.3km/h).
Average humidity in September
Bumbogo, Rwanda
- Average humidity in September: 80%
The month with the highest relative humidity is May (92%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Bumbogo, Rwanda
- Average rainfall in September: 249mm
The wettest month (with the highest rainfall) is October (324mm).
The driest month (with the least rainfall) is July (63mm).
Average rainfall days in September
Bumbogo, Rwanda
- Average rainfall days in September: 27.9 days
The months with the highest number of rainy days are March and October (30.4 days).
The month with the least rainy days is July (21.2 days).
Average daylight in September /
Average sunshine in September
Bumbogo, Rwanda
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is January (Average sunshine: 8h and 48min).
The month with the least sunshine is May (Average sunshine: 5h and 12min).
Average sunshine days in September
Bumbogo, Rwanda
- Average sunshine days in September: 1.3 days
The month with the most sunshine days is July (6.8 days).
The month with the least sunshine days is November (0 days).
Average UV index in September
Bumbogo, Rwanda
- Average UV index in September: 4
The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 4).
Average cloud cover in September
Bumbogo, Rwanda
- Average cloud cover in September: 44
The month with the most cloud cover is May (Cloud cover 72).
The month with the least cloud cover is January (Cloud cover 35).
Average visibility in September
Bumbogo, Rwanda
- Average visibility in September: 9km
The month with the highest visibility is July (10km).
The months with the lowest visibility are April and May (6km).
